Key points are not available for this paper at this time.
From the Institute for Health Care Research and Improvement, Baylor Health Care System, Dallas, Texas. Reprints: David J. Ballard, MD, PhD, Institute for Health Care Research and Improvement, Baylor Health Care System, 8080 N. Central Expressway, Suite 500, Dallas, TX 75206. E-mail: email protected.
David Ballard (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: